# define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
  //判断任给一个整数为0还是正数还是负数
  int a = 0;
   scanf("%d", &a);
   if (a == 0)
	   printf("%s\n", "该数为零");
   else
   printf("%s\n", (a > 0 ? "该数为正数" : "该数为负数"));
	return 0;
}